@Tauschitz: My apologies for the belated reply, but I've been busy. However, here's
the link to the demo .exe, as promised. It's NOT my upload, but it's 100% working for me and several others. Unfortunately, the site is rather slow, so please, be patient. It's guaranteed to be free of viruses/spyware and other pests, I'm using it too, and no problems at all, so don't worry.
And yes, you need to copy the demo's .exe into the game's directory where the original mm.exe is located. You should make a backup of the original, just in case.
Oh, and the demo .exe also works as a NoDVD solution, so you don't have to worry about getting your discs scratched all over any more
Have fun and good gaming!